<?php 
    //session_destroy();
    $modVis	= new Zendvn_Models_Visiters();
    //get number visiters
    $number	= $modVis->getVisters(array('task'=>'public-visiters'));
    
    foreach ($number as $nb){ 
        echo $nub   = $nb['numbers']; 
        break;
    }
    
    //update number visiters
    if(!isset($_SESSION['_visiter'])){
        $modVis->updateVisters($nub, array('task'=>'public-visiters'));
        $_SESSION['_visiter']='_visiter';
    }